date:Nov 12, 2018
198 (13%) reported ever being fed soy formula milk.
They found that women who had ever been fed soy formula as babies were 40% more likely to have used hormonal contraception at some point to alleviate menstrual pain compared to women who had not been fed soy formula as babies; between the ages of 18 and 22 years they were 50% more likely to have experienced moderate or severe menstrual discomfort or pain with most of their periods.
Dr Kristen Upson, a postdoctoral fellow in the Epidemiology B